CN107785940A - The method for controlling power supply of more battery module parallel configurations - Google Patents
The method for controlling power supply of more battery module parallel configurations Download PDFInfo
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- CN107785940A CN107785940A CN201610724161.4A CN201610724161A CN107785940A CN 107785940 A CN107785940 A CN 107785940A CN 201610724161 A CN201610724161 A CN 201610724161A CN 107785940 A CN107785940 A CN 107785940A
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- battery module
- module
- secondary cell
- battery
- power supply
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- 238000000034 method Methods 0.000 title claims abstract description 25
- 230000005611 electricity Effects 0.000 claims abstract description 69
- 230000005283 ground state Effects 0.000 claims description 4
- 238000004891 communication Methods 0.000 description 9
- 241001347978 Major minor Species 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000011017 operating method Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- 238000003825 pressing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0063—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with circuits adapted for supplying loads from the battery
-
- H02J2007/0067—
Abstract
The invention discloses a kind of method for controlling power supply of more battery module parallel configurations, in the load system powered using more battery modules of suitching type electric discharge framework, multiple battery modules are divided into by a main battery module and multiple secondary cell modules by a pre-defined rule, and the major control center of all battery modules in parallel is used as using main battery module, pass through a discharge regime again, control other that there is the secondary cell module of electricity preferentially to be powered to load system by the battery management system in main battery module, it is the battery module finally powered to retain main battery module, make load system that central control unit and exclusive battery need not be set outside battery module, effectively to simplify the system architecture of electric device, save system cost, and maintain the security requirement of system.
Description
Technical field
The present invention relates to a kind of control method of battery circuit, more particularly to one kind in multiple battery module parallel configurations
In battery powered control method.
Background technology
The electric devices such as electric bicycle, battery-operated motor cycle would generally load more than one secondary battery module to increase
Electricity workable for electric device.These secondary battery module parallel connections are loaded on electric device, in battery module to electronic dress
When putting power supply, it can be powered in a manner of parallel discharge or suitching type discharge, due to the electricity or voltage of battery module in itself
It is not necessarily identical, therefore overlap joint electric discharge directly in parallel is rare way.It is powered as the mode discharged using suitching type,
The discharge order in multiple battery modules in electric device is determined with battery module electricity in itself, that is to say, that with
The battery module with maximum electricity first discharges in all battery modules, after the battery module electricity exhausts, then by electricity
Secondary high battery module is discharged.
And in the prior art, it is necessary to by the central control unit (controller, host) of device in electric device
To judge and determine the order of battery module electric discharge.This central control unit is the control outside battery module in electric device
Center processed, can be according to the state of Individual cells module and the electric discharge behavior of the control flow control battery module made.
Because central control unit is also the element for needing to be powered, therefore when central control unit can not be supplied by these battery modules
During electricity (because there is the excessive risk that the electricity for the battery module powered to central control unit is used up), it is necessary in these electricity
Outside the module of pond, a special battery for supplying electricity to central control unit (or plus other system elements) is set again in addition.
However, increasing independent battery in addition to be powered to central control unit, it is not on the limited electric transporting device in space
One in space with the upper efficient practice of tool.Forming and being analyzed into original with system again, increases beyond battery module
The central control unit of battery module electric discharge behavior and independent battery are controlled, in addition to increasing cost, also increases and is
The risk of problem occurs for the complexity of assembling of uniting and electric device.And due to manufacturer or the difference of maquila, in
Also the problem of being adapted to easily is produced between centre control unit and battery module, more likely increases the risk of thrashing.
The content of the invention
Said before in order to solve the problems, such as, the invention discloses a kind of power supply control side of more battery module parallel configurations
Method.
One embodiment of the present invention discloses a kind of method for controlling power supply of more battery module parallel configurations.It is negative one
Loading system includes a load device and the multiple battery modules in parallel with the load device.The method for controlling power supply bag
Include step：It is a main battery module to set one of the multiple battery module according to a pre-defined rule, and other are not set
The multiple battery module be multiple secondary cell modules；The battery management system in the main battery module is put according to one
Electric the multiple secondary cell module of rule control is powered to the load device；And when the multiple secondary cell module is to described
Load device is powered when the electricity of the multiple secondary cell module is zero, the battery management of the main battery module
System controls the main battery module to power the load device according to the discharge regime.
In embodiment disclosed in this invention, wherein according to the pre-defined rule set the main battery module as：
It is the main battery module that identification code according to the multiple battery module, which sets one of the multiple battery module,.
In embodiment disclosed in this invention, wherein according to the pre-defined rule set the main battery module as：
When one of battery module is loaded into the load system so that an identification stitch of the battery module is in ground state
When, the battery module is set as the main battery module.
In embodiment disclosed in this invention, wherein according to the pre-defined rule set the main battery module as：
When one of battery module is loaded into the load system so that an identification stitch of the battery module is changed to high electricity
When pressing LJ position states, the battery module is set as the main battery module.
In embodiment disclosed in this invention, wherein the battery management system foundation in the main battery module
The discharge regime controls the multiple secondary cell module to power the load device：It is described in the main battery module
Electricity of the battery management system according to the multiple secondary cell module, is controlled in the multiple secondary cell module, by wherein having
One first secondary cell module of maximum electricity starts, and sequentially the load device is powered.
In embodiment disclosed in this invention, wherein the battery management system control in the main battery module
In the multiple secondary cell module, by wherein there is the first secondary cell module of maximum electricity, sequentially being born to described
Carry and put power supply and be：When the first secondary cell module is powered until the electricity of the first secondary cell module to the load device
When amount is zero, the battery management system in the main battery module automatically controls the multiple secondary cell mould with electricity
In block, the one second secondary cell module with maximum electricity is powered to the load device.
In embodiment disclosed in this invention, wherein the battery management system control institute in the main battery module
State in multiple secondary cell modules, by wherein there is the first secondary cell module of maximum electricity, sequentially being filled to the load
Putting power supply is：When the first secondary cell module is powered until the electricity of the first secondary cell module is zero to the load device
When, the battery management system in the main battery module is after a switch command of the load system is received, control tool
Have in the multiple secondary cell module of electricity, the one second secondary cell module with maximum electricity is powered to the load device.
In embodiment disclosed in this invention, the method for controlling power supply further comprises step：The main battery
The battery management system of module obtains the electric quantity data of the multiple secondary cell module from the multiple secondary cell module.
In embodiment disclosed in this invention, it zero is the battery module that any of which battery module electricity, which is,
Electricity output is until the state for entering under-voltage protection point and stopping power supply.
The method for controlling power supply of more battery module parallel configurations disclosed in this invention, using suitching type electric discharge framework
In the electric device of more battery module power supplies, using the design of battery module itself, one will be divided into multiple battery modules
Main battery module and multiple secondary cell modules.In using main battery module as the major control of all battery modules in parallel
The heart, that is to say, that main battery module has absolute control, in addition to it can control the electric discharge behavior of main battery module in itself,
Also the power supply control with all secondary cell modules is weighed.Any one secondary cell module can not voluntarily carry out electric discharge behavior,
Battery module can be protected, avoided between different battery modules while in the abnormal case of electric discharge.And need not be in electricity
Central control unit and exclusive battery are set outside the module of pond, can effectively simplify the system architecture of electric device, is saved
System cost, and maintain the security requirement of system.
Brief description of the drawings
Fig. 1 be it is a kind of can multiple battery modules in parallel load system block schematic diagram.
Fig. 2 is a kind of flow chart of the method for controlling power supply of more battery module parallel configurations disclosed in this invention.
Wherein, description of reference numerals is as follows：
1 load system
2 load devices
10 main battery modules
12,22 battery management systems
14,24 battery units
16,26 communication units
18,28 identification stitch
20,30,40 secondary cell modules
Embodiment
Some vocabulary has been used in specification and claims to censure specific element.Ordinary skill people
Member is, it is to be appreciated that manufacturer may call same element with different nouns.Present specification and claims are not
In a manner of the difference of title is used as and distinguishes element, but it is used as the criterion of differentiation with the difference of element functionally.
The " comprising " of specification and claim mentioned in is an open term in the whole text, therefore should be construed to " including but not
It is defined in ".In addition, " coupling " or " connection " one word includes any direct and indirect electric or structure connection means herein.
Therefore, if one first device of described in the text couples/connected a second device, representing the first device can be directly electric
Gas/structure connects the second device, or electrically/structure is connected to described second indirectly by other devices or connection means
Device.
Refer to Fig. 1, Fig. 1 be it is a kind of can multiple battery modules in parallel load system block schematic diagram.Load system
System 1 includes a load device 2 and multiple battery modules, and plurality of battery module includes a main battery module 10
And at least one secondary cell module, and then include multiple secondary cell modules 20,30,40 in the embodiment of figure 1.These
Battery module is in parallel with load device 2, forms the parallel configurations of a battery module.Each battery module can be independent
Ground is loaded on load system 1 or disassembled from load system 1.Each battery module includes one or more series connection
Battery unit 14,24, the battery management system 12,22 inside battery module and the communication unit with the communication of other battery modules
Member 16,26.More particularly, can be with carry one or more battery module in load system 1.When only one battery of carry
Is exactly certainly main battery module 10 during module, and when the carry of load system 1 during two or more battery modules, that
It will determine that one of battery module is main battery module 10 according to specific rule, and other battery modules will
It is secondary cell module (at least one secondary cell module).As to how determine which is main battery module 10, and which (or
Which) it is secondary cell module, and it (and is that need not be set outside battery module that how major-minor battery module, which cooperates,
Central control unit and exclusive battery), then described in detail in ensuing paragraph and accompanying drawing.
Fig. 2 is refer to, Fig. 2 is a kind of stream of the method for controlling power supply of more battery module parallel configurations disclosed in this invention
Cheng Tu, its step are as follows：
Step 110：At least one battery module of carry in a load system；
Step 120：One of battery module is set in load system as a main battery module according to a pre-defined rule,
Other battery modules not being set are then multiple secondary cell modules；
Step 130：When main battery module is activated and receives power on command, it is in main battery module detecting load system
It is no other secondary cell modules to be present, and the electricity of at least one secondary cell module is not zero；If so, then operating procedure 140,
If it is not, then operating procedure 150；
Step 140：When the secondary cell module that electricity is not zero in load system be present, by the battery in main battery module
Management system is powered according to discharge regime control secondary cell module to the load device in load system；
Step 150：When the secondary cell module that electricity is not zero is not present in load system, by the electricity in main battery module
Pond management system controls main battery module to power the load device in load system according to the discharge regime；
Step 160：When the electricity of main battery module is zero, the load system stops running.
Present invention uses the suitching type method for controlling power supply of more battery module parallel configurations, to reach in load system 1
In, it is not necessary to central control unit and exclusive battery are set outside battery module, you can the purpose of control is powered,
Particularly apply such as electric bicycle, battery-operated motor cycle in the electric transporting device that space is limited.Load system 1 can have
There is the battery settling groove of multiple entities, with multiple battery modules on carry respectively.In step 110, first on load system 1
At least one battery module of carry, it is preferable that load system 1 on the battery settling groove of different entities carry two or more
Individual battery module.It is then that one of electricity of the carry in load system 1 is set by a pre-defined rule in the step 120
Pond module is main battery module, and the battery module that other are not set is then secondary cell module.Special instruction, each
Battery module is in addition to the both positive and negative polarity stitch of electric current, it will usually there are one or more electronics stitch not waited, therefore it is a kind of wherein
In embodiment, when some battery settling groove in load system 1 of any one battery module carry, the battery module
One of identification stitch can be turned on by the battery settling groove and be in ground state, thus by this battery module
It is set as main battery module 10, or in another embodiment or any one battery module carry exists
Some battery settling groove, will when one of identification stitch of the battery module is changed to high voltage LJ position states
This battery module is set as main battery module 10., can also be with battery module in itself in another embodiment
Identification code is used as the mode of setting main battery module 10, that is to say, that in battery module production process, i.e., electricity internally
In the management system of pond setting with a certain identification code battery as main battery module, or when multiple battery modules simultaneously
Carry is determined on load system 1, and after being linked up by respective communication unit 16,26 with the manner of comparison of a certain identification code
Fixed wherein some battery module be main battery module 10 (such as compare the size of identification code, and set wherein have it is maximum or
The battery module of minimum identification code is main battery module 10).Illustrate in addition, one electricity when the only carry of load system 1
During the module of pond, no matter whether the identification stitch of the battery module is in ground state, (or whether its identification code is in accordance with rule
Model), because the battery management system of the battery module can not detect any other battery module by communication unit
In the presence of, therefore in a kind of this embodiment, this unique battery module also operates as main battery module 10 naturally.
After major-minor battery module is determined, then in step 130, the main battery module 10 of load system 1 can be with
It is activated by communication, key switch or key switch, and receives power on command.At this moment main battery module 10 detects load system
It whether there is other secondary cell modules 20 in 1,30,40, the battery management system 12 of main battery module 10 is from other secondary cells
Module 20,30,40 obtains the electric quantity data of these battery modules, and judges whether wherein at least one secondary cell module
20,30,40 electricity is not zero.Special instruction, described " electricity " can be managed in those skilled in the art in of the invention
Refer to " active volume " of battery in the category of solution, " electricity " being previously mentioned below also all makees such understanding.When load system 1
In have one or more electricity be not zero secondary cell module 20,30,40 when, the battery management system 12 of main battery module 10 is then
Multiple secondary cell modules 20,30,40 are controlled to be powered to load device 2 (step 140) according to a discharge regime.Specifically way is
The battery management system 12 of main battery module 10 sends communications command control wherein some secondary cell mould by communication unit 16
Block (such as secondary cell module 20) is powered, and secondary cell module 20 receives the power on command for receiving main battery module 10
Afterwards, its battery management system 22 opens discharge switch to provide electric power output.In wherein a kind of embodiment, main battery module
10 battery management system 12 is after the electric quantity data of all secondary cell modules 20,30,40 is obtained, according to secondary cell module
20,30,40 electricity size, control secondary cell module 20,30,40 have maximum electricity one first secondary cell module (such as
Fig. 1 secondary cell module 20) start, sequentially load device 2 is powered, this is the one of which embodiment party of the discharge regime
Formula, the present invention other embodiment in, also can control powered in advance by the secondary cell module of minimum amount of power, the present invention not with
This is limited.
During one of secondary cell module for power supply, the secondary cell module also periodically return its battery status to
The battery management system 12 of main battery module 10, and exhausted in the secondary cell module electricity, it is (electric here when its electricity is zero
It zero is usually that the electricity output of the secondary cell module is stopped power supply until entering the under-voltage protection point of battery that amount, which is,
State), the secondary cell module enters close pattern, while returns the information exhausted to main battery module 10 its electricity,
And in the secondary cell module that main battery module 10 is then not zero by other electricity, according to foregoing discharge regime, then control another
An outer secondary cell module is powered.
Special instruction, some secondary cell module is powered after electricity is zero to load device 2 wherein, main electricity
The battery management system 12 of pond module 10 can directly, voluntarily the next secondary cell module of switching control be powered to load device 2.
And in other implementations, for the consideration of security, the mode that can also manually start carries out next secondary electricity
The power supply of pond module, that is to say, that when the first secondary cell module (such as secondary cell mould in Fig. 1 wherein with maximum electricity
Block 20) load device 2 is powered when the electricity of the first secondary cell module is zero, the battery management system of main battery module 10
12 after a switch command (such as user pushes button switch or electric discharge order is assigned in communication) for load system 1 is received,
Again according to foregoing discharge regime, one second secondary cell module (such as secondary cell module in Fig. 1 of the control with maximum electricity
30) load device 2 is powered.
When load system 1 still has secondary cell module 20,30,40 to have electricity, method for controlling power supply of the invention by
Secondary cell module 20,30,40 is first powered, only when main battery module 10 confirms the electricity of all secondary cell modules 20,30,40
Amount is after zero, then controls main battery module 10 right according to the discharge regime by the battery management system 12 of main battery module 10
Load device 2 in load system 1 is powered (step 150), when it is zero that main battery module 10 electricity of itself, which also uses up, is born
Loading system 1 stops running (step 160).So it may insure in load system 1, for controlling the battery module frame of parallel connection
The major control center of structure, its system control ability can be kept, in other all battery modules (namely secondary cell moulds
Block) electricity exhaust after, just allow main battery module to load device power.The present invention need not be in the peripheral hardware of battery module
Central control unit and exclusive battery are put, can effectively simplify the system architecture of electric device, saves system cost, and tie up
Hold the security requirement of system.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent substitution, improvement etc., should be included in the scope of the protection.
Claims (9)
1. a kind of method for controlling power supply of more battery module parallel configurations, a load system include a load device and with
The load device multiple battery modules in parallel, it is characterised in that the method for controlling power supply includes step：
It is a main battery module to set one of the multiple battery module according to a pre-defined rule, other institutes not being set
It is multiple secondary cell modules to state multiple battery modules；
The battery management system in the main battery module controls the multiple secondary cell module pair according to a discharge regime
The load device power supply；And
When the multiple secondary cell module is powered until the electricity of the multiple secondary cell module is zero to the load device
When, the battery management system of the main battery module controls the main battery module to described negative according to the discharge regime
Carry and put power supply.
2. method for controlling power supply as claimed in claim 1, it is characterised in that wherein set the master according to the pre-defined rule
Battery module is：It is the main electricity that identification code according to the multiple battery module, which sets one of the multiple battery module,
Pond module.
3. method for controlling power supply as claimed in claim 1, it is characterised in that wherein set the master according to the pre-defined rule
Battery module is：When one of battery module is loaded into the load system so that an identification stitch of the battery module
During in ground state, the battery module is set as the main battery module.
4. method for controlling power supply as claimed in claim 1, it is characterised in that wherein set the master according to the pre-defined rule
Battery module is：When one of battery module is loaded into the load system so that an identification stitch of the battery module
When being changed to high voltage LJ position states, the battery module is set as the main battery module.
5. method for controlling power supply as claimed in claim 1, it is characterised in that the battery in wherein described main battery module
Management system controls the multiple secondary cell module to power the load device according to the discharge regime：The main battery
Electricity of the battery management system according to the multiple secondary cell module in module, controls the multiple secondary cell module
In, by wherein there is one first secondary cell module of maximum electricity, sequentially being powered to the load device.
6. method for controlling power supply as claimed in claim 5, it is characterised in that the battery in wherein described main battery module
Management system is controlled in the multiple secondary cell module, by wherein there is the first secondary cell module of maximum electricity,
It is to load device power supply sequentially：When the first secondary cell module is powered to the load device until described first is secondary
When the electricity of battery module is zero, the battery management system in the main battery module is automatically controlled with described in electricity
In multiple secondary cell modules, the one second secondary cell module with maximum electricity is powered to the load device.
7. method for controlling power supply as claimed in claim 5, it is characterised in that the battery in wherein described main battery module
Management system is controlled in the multiple secondary cell module, by wherein there is the first secondary cell module of maximum electricity,
It is to load device power supply sequentially：When the first secondary cell module is powered to the load device until described first is secondary
When the electricity of battery module is zero, the battery management system in the main battery module is in receiving the load system
After one switch command, in the multiple secondary cell module of the control with electricity, there is one second secondary cell mould of maximum electricity
Block is powered to the load device.
8. method for controlling power supply as claimed in claim 5, it is characterised in that the method for controlling power supply further comprises walking
Suddenly：The battery management system of the main battery module obtains the multiple secondary cell module from the multiple secondary cell module
Electric quantity data.
9. method for controlling power supply as claimed in claim 1, it is characterised in that it zero is institute that any of which battery module electricity, which is,
The electricity output of battery module is stated until the state for entering under-voltage protection point and stopping power supply.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610724161.4A CN107785940B (en) | 2016-08-25 | 2016-08-25 | Power supply control method of multi-battery module parallel framework |
| TW106127942A TWI665843B (en) | 2016-08-25 | 2017-08-17 | Power supply control method for a multi-module parallel battery structure |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610724161.4A CN107785940B (en) | 2016-08-25 | 2016-08-25 | Power supply control method of multi-battery module parallel framework |
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| CN107785940B CN107785940B (en) | 2021-06-29 |
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| TW (1) | TWI665843B (en) |
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| CN108860623A (en) * | 2018-06-04 | 2018-11-23 | 广州市华科尔科技股份有限公司 | A kind of more battery pack unmanned plane method of supplying power to |
| CN113496007A (en) * | 2020-03-20 | 2021-10-12 | 太普动力新能源(常熟)股份有限公司 | Calculation method for adjusting electric capacity of battery module |
| CN114123398A (en) * | 2021-11-19 | 2022-03-01 | 上海派智能源有限公司 | Control method, system and storage medium of battery pack |
| US11791630B1 (en) * | 2020-05-01 | 2023-10-17 | Zero Nox, Inc. | Multi-functional building power management |
| WO2024032368A1 (en) * | 2022-08-11 | 2024-02-15 | 中兴通讯股份有限公司 | Power backup device and control method therefor, and storage medium |
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| TW202123576A (en) | 2019-12-11 | 2021-06-16 | 達方電子股份有限公司 | Multiple-battery system for an electric vehicle |
| CN111987764B (en) * | 2020-08-10 | 2022-03-25 | Tcl通讯（宁波）有限公司 | Discharge control method and device, storage medium and mobile terminal |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN107785940B (en) | 2021-06-29 |
| TW201807920A (en) | 2018-03-01 |
| TWI665843B (en) | 2019-07-11 |
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Address after: 215500 No. 868 Southeast Avenue, Changshu High-tech Industrial Development Zone, Suzhou City, Jiangsu Province Applicant after: Taipu Power New Energy (Changshu) Co., Ltd. Address before: 215500 No. 2 Southeast Avenue, Changshu City, Suzhou City, Jiangsu Province Applicant before: Veccom Electronics (Changshu) Co. Ltd. |
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